The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 12, 2023
Filed:
Oct. 21, 2021
China Yunhong Holdings Co., Ltd., Hubei, CN;
Yunhong Environmental Technology Co., Ltd., Hubei, CN;
Guozhong Xinghe Biomedical Technology Co., Ltd., Hubei, CN;
Jingren He, Hubei, CN;
Yubao Li, Hubei, CN;
Dong Wu, Hubei, CN;
Shuxin Ye, Hubei, CN;
Sijia Jiang, Hubei, CN;
Rui Zhang, Hubei, CN;
CHINA YUNHONG HOLDINGS CO., LTD., Huanggang, CN;
Yunhong Environmental Technology Co., Ltd., Huanggang, CN;
Guozhong Xinghe Biomedical Technology Co., Ltd., Huanggang, CN;
Abstract
A fully degradable non-woven fabric produced by melt-blown extrusion and an application thereof in the production of medical masks. The fully degradable non-woven fabric is produced through steps of: (S1) preparation of caprolactone-lactic acid random copolymer; (S2) preparation of copolymerized modified PLA; and (S3) preparation of non-woven fabric by the melt-blown extrusion.